JP3477723B2 - UV absorber and ultraviolet absorbing composition containing the same - Google Patents
UV absorber and ultraviolet absorbing composition containing the sameInfo
- Publication number
- JP3477723B2 JP3477723B2 JP23989592A JP23989592A JP3477723B2 JP 3477723 B2 JP3477723 B2 JP 3477723B2 JP 23989592 A JP23989592 A JP 23989592A JP 23989592 A JP23989592 A JP 23989592A JP 3477723 B2 JP3477723 B2 JP 3477723B2
- Authority
- JP
- Japan
- Prior art keywords
- ultraviolet
- polymer
- absorber
- composition according
- meth
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
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- GYCMBHHDWRMZGG-UHFFFAOYSA-N Methylacrylonitrile Chemical compound CC(=C)C#N GYCMBHHDWRMZGG-UHFFFAOYSA-N 0.000 description 1
- WHNWPMSKXPGLAX-UHFFFAOYSA-N N-Vinyl-2-pyrrolidone Chemical compound C=CN1CCCC1=O WHNWPMSKXPGLAX-UHFFFAOYSA-N 0.000 description 1
- 229920000571 Nylon 11 Polymers 0.000 description 1
- 229920000299 Nylon 12 Polymers 0.000 description 1
- 241000283977 Oryctolagus Species 0.000 description 1
- 241000283973 Oryctolagus cuniculus Species 0.000 description 1
- 239000002033 PVDF binder Substances 0.000 description 1
- SJEYSFABYSGQBG-UHFFFAOYSA-M Patent blue Chemical compound [Na+].C1=CC(N(CC)CC)=CC=C1C(C=1C(=CC(=CC=1)S([O-])(=O)=O)S([O-])(=O)=O)=C1C=CC(=[N+](CC)CC)C=C1 SJEYSFABYSGQBG-UHFFFAOYSA-M 0.000 description 1
- 229920002845 Poly(methacrylic acid) Polymers 0.000 description 1
- 229930182556 Polyacetal Natural products 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- 229920002396 Polyurea Polymers 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- 229920001328 Polyvinylidene chloride Polymers 0.000 description 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 1
- WTKZEGDFNFYCGP-UHFFFAOYSA-N Pyrazole Chemical compound C=1C=NNC=1 WTKZEGDFNFYCGP-UHFFFAOYSA-N 0.000 description 1
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical group [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 1
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
- 229920002125 Sokalan® Polymers 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical class OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
- BGNXCDMCOKJUMV-UHFFFAOYSA-N Tert-Butylhydroquinone Chemical compound CC(C)(C)C1=CC(O)=CC=C1O BGNXCDMCOKJUMV-UHFFFAOYSA-N 0.000 description 1
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 description 1
- 229920001807 Urea-formaldehyde Polymers 0.000 description 1
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- 229920002433 Vinyl chloride-vinyl acetate copolymer Polymers 0.000 description 1
- 206010047571 Visual impairment Diseases 0.000 description 1
- KYIKRXIYLAGAKQ-UHFFFAOYSA-N abcn Chemical compound C1CCCCC1(C#N)N=NC1(C#N)CCCCC1 KYIKRXIYLAGAKQ-UHFFFAOYSA-N 0.000 description 1
- 239000000980 acid dye Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 125000005396 acrylic acid ester group Chemical group 0.000 description 1
- 125000003647 acryloyl group Chemical group O=C([*])C([H])=C([H])[H] 0.000 description 1
- 125000002252 acyl group Chemical group 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 150000001299 aldehydes Chemical class 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 125000005036 alkoxyphenyl group Chemical group 0.000 description 1
- 229920000180 alkyd Polymers 0.000 description 1
- XYLMUPLGERFSHI-UHFFFAOYSA-N alpha-Methylstyrene Chemical compound CC(=C)C1=CC=CC=C1 XYLMUPLGERFSHI-UHFFFAOYSA-N 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- PYKYMHQGRFAEBM-UHFFFAOYSA-N anthraquinone Natural products CCC(=O)c1c(O)c2C(=O)C3C(C=CC=C3O)C(=O)c2cc1CC(=O)OC PYKYMHQGRFAEBM-UHFFFAOYSA-N 0.000 description 1
- 150000004056 anthraquinones Chemical class 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000000987 azo dye Substances 0.000 description 1
- 239000000981 basic dye Substances 0.000 description 1
- RWCCWEUUXYIKHB-UHFFFAOYSA-N benzophenone Chemical compound C=1C=CC=CC=1C(=O)C1=CC=CC=C1 RWCCWEUUXYIKHB-UHFFFAOYSA-N 0.000 description 1
- 239000012965 benzophenone Substances 0.000 description 1
- 150000008366 benzophenones Chemical class 0.000 description 1
- 125000003354 benzotriazolyl group Chemical group N1N=NC2=C1C=CC=C2* 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- PBGVMIDTGGTBFS-UHFFFAOYSA-N but-3-enylbenzene Chemical compound C=CCCC1=CC=CC=C1 PBGVMIDTGGTBFS-UHFFFAOYSA-N 0.000 description 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 235000013877 carbamide Nutrition 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 229920003086 cellulose ether Polymers 0.000 description 1
- 229920006218 cellulose propionate Polymers 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000012295 chemical reaction liquid Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 238000004581 coalescence Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 231100000269 corneal opacity Toxicity 0.000 description 1
- 239000003431 cross linking reagent Substances 0.000 description 1
- LDHQCZJRKDOVOX-NSCUHMNNSA-N crotonic acid Chemical compound C\C=C\C(O)=O LDHQCZJRKDOVOX-NSCUHMNNSA-N 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 125000000753 cycloalkyl group Chemical group 0.000 description 1
- YPHMISFOHDHNIV-FSZOTQKASA-N cycloheximide Chemical compound C1[C@@H](C)C[C@H](C)C(=O)[C@@H]1[C@H](O)CC1CC(=O)NC(=O)C1 YPHMISFOHDHNIV-FSZOTQKASA-N 0.000 description 1
- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 150000004985 diamines Chemical class 0.000 description 1
- 239000012954 diazonium Substances 0.000 description 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-O diazynium Chemical compound [NH+]#N IJGRMHOSHXDMSA-UHFFFAOYSA-O 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 239000000982 direct dye Substances 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 239000000986 disperse dye Substances 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- FJKIXWOMBXYWOQ-UHFFFAOYSA-N ethenoxyethane Chemical class CCOC=C FJKIXWOMBXYWOQ-UHFFFAOYSA-N 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- STVZJERGLQHEKB-UHFFFAOYSA-N ethylene glycol dimethacrylate Substances CC(=C)C(=O)OCCOC(=O)C(C)=C STVZJERGLQHEKB-UHFFFAOYSA-N 0.000 description 1
- 239000005038 ethylene vinyl acetate Substances 0.000 description 1
- 210000000744 eyelid Anatomy 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 125000003709 fluoroalkyl group Chemical group 0.000 description 1
- XUCNUKMRBVNAPB-UHFFFAOYSA-N fluoroethene Chemical compound FC=C XUCNUKMRBVNAPB-UHFFFAOYSA-N 0.000 description 1
- IVJISJACKSSFGE-UHFFFAOYSA-N formaldehyde;1,3,5-triazine-2,4,6-triamine Chemical compound O=C.NC1=NC(N)=NC(N)=N1 IVJISJACKSSFGE-UHFFFAOYSA-N 0.000 description 1
- SLGWESQGEUXWJQ-UHFFFAOYSA-N formaldehyde;phenol Chemical compound O=C.OC1=CC=CC=C1 SLGWESQGEUXWJQ-UHFFFAOYSA-N 0.000 description 1
- 239000001530 fumaric acid Substances 0.000 description 1
- 230000009477 glass transition Effects 0.000 description 1
- 239000008103 glucose Substances 0.000 description 1
- AHAREKHAZNPPMI-UHFFFAOYSA-N hexa-1,3-diene Chemical compound CCC=CC=C AHAREKHAZNPPMI-UHFFFAOYSA-N 0.000 description 1
- 229910000040 hydrogen fluoride Inorganic materials 0.000 description 1
- 125000004356 hydroxy functional group Chemical group O* 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 125000002768 hydroxyalkyl group Chemical group 0.000 description 1
- 239000005457 ice water Substances 0.000 description 1
- 239000012948 isocyanate Substances 0.000 description 1
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 description 1
- 150000002513 isocyanates Chemical class 0.000 description 1
- 239000004922 lacquer Substances 0.000 description 1
- 150000003951 lactams Chemical class 0.000 description 1
- 150000002596 lactones Chemical class 0.000 description 1
- QDLAGTHXVHQKRE-UHFFFAOYSA-N lichenxanthone Natural products COC1=CC(O)=C2C(=O)C3=C(C)C=C(OC)C=C3OC2=C1 QDLAGTHXVHQKRE-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 239000011976 maleic acid Substances 0.000 description 1
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 1
- 239000012567 medical material Substances 0.000 description 1
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 description 1
- 150000007974 melamines Chemical class 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- NYGZLYXAPMMJTE-UHFFFAOYSA-M metanil yellow Chemical group [Na+].[O-]S(=O)(=O)C1=CC=CC(N=NC=2C=CC(NC=3C=CC=CC=3)=CC=2)=C1 NYGZLYXAPMMJTE-UHFFFAOYSA-M 0.000 description 1
- FQPSGWSUVKBHSU-UHFFFAOYSA-N methacrylamide Chemical compound CC(=C)C(N)=O FQPSGWSUVKBHSU-UHFFFAOYSA-N 0.000 description 1
- 125000005397 methacrylic acid ester group Chemical group 0.000 description 1
- 229920000609 methyl cellulose Polymers 0.000 description 1
- 239000001923 methylcellulose Substances 0.000 description 1
- 235000010981 methylcellulose Nutrition 0.000 description 1
- LVHBHZANLOWSRM-UHFFFAOYSA-N methylenebutanedioic acid Natural products OC(=O)CC(=C)C(O)=O LVHBHZANLOWSRM-UHFFFAOYSA-N 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 150000005673 monoalkenes Chemical class 0.000 description 1
- 210000004877 mucosa Anatomy 0.000 description 1
- 231100000017 mucous membrane irritation Toxicity 0.000 description 1
- 208000001491 myopia Diseases 0.000 description 1
- 230000004379 myopia Effects 0.000 description 1
- LNOPIUAQISRISI-UHFFFAOYSA-N n'-hydroxy-2-propan-2-ylsulfonylethanimidamide Chemical compound CC(C)S(=O)(=O)CC(N)=NO LNOPIUAQISRISI-UHFFFAOYSA-N 0.000 description 1
- VBEGHXKAFSLLGE-UHFFFAOYSA-N n-phenylnitramide Chemical compound [O-][N+](=O)NC1=CC=CC=C1 VBEGHXKAFSLLGE-UHFFFAOYSA-N 0.000 description 1
- KKFHAJHLJHVUDM-UHFFFAOYSA-N n-vinylcarbazole Chemical compound C1=CC=C2N(C=C)C3=CC=CC=C3C2=C1 KKFHAJHLJHVUDM-UHFFFAOYSA-N 0.000 description 1
- 229920005615 natural polymer Polymers 0.000 description 1
- SLCVBVWXLSEKPL-UHFFFAOYSA-N neopentyl glycol Chemical compound OCC(C)(C)CO SLCVBVWXLSEKPL-UHFFFAOYSA-N 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- 231100000344 non-irritating Toxicity 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 239000012860 organic pigment Substances 0.000 description 1
- 150000002924 oxiranes Chemical class 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- ZDCHZHDOCCIZIY-UHFFFAOYSA-N phthalic acid;propane-1,2,3-triol Chemical class OCC(O)CO.OC(=O)C1=CC=CC=C1C(O)=O ZDCHZHDOCCIZIY-UHFFFAOYSA-N 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920000233 poly(alkylene oxides) Polymers 0.000 description 1
- 229920003192 poly(bis maleimide) Polymers 0.000 description 1
- 229920001084 poly(chloroprene) Polymers 0.000 description 1
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 229920002492 poly(sulfone) Polymers 0.000 description 1
- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 description 1
- 229920002401 polyacrylamide Polymers 0.000 description 1
- 239000004584 polyacrylic acid Substances 0.000 description 1
- 229920002239 polyacrylonitrile Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229920001195 polyisoprene Polymers 0.000 description 1
- 229920000193 polymethacrylate Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- ODGAOXROABLFNM-UHFFFAOYSA-N polynoxylin Chemical compound O=C.NC(N)=O ODGAOXROABLFNM-UHFFFAOYSA-N 0.000 description 1
- 229920006380 polyphenylene oxide Polymers 0.000 description 1
- 229920001451 polypropylene glycol Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920002689 polyvinyl acetate Polymers 0.000 description 1
- 239000011118 polyvinyl acetate Substances 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920002620 polyvinyl fluoride Polymers 0.000 description 1
- 239000005033 polyvinylidene chloride Substances 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000012264 purified product Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 210000001525 retina Anatomy 0.000 description 1
- YGSDEFSMJLZEOE-UHFFFAOYSA-M salicylate Chemical compound OC1=CC=CC=C1C([O-])=O YGSDEFSMJLZEOE-UHFFFAOYSA-M 0.000 description 1
- 229960001860 salicylate Drugs 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 230000028327 secretion Effects 0.000 description 1
- 229920005573 silicon-containing polymer Polymers 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 229920006132 styrene block copolymer Polymers 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
- 229920000468 styrene butadiene styrene block copolymer Polymers 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 150000005846 sugar alcohols Polymers 0.000 description 1
- 229920001897 terpolymer Polymers 0.000 description 1
- 125000006337 tetrafluoro ethyl group Chemical group 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 238000004809 thin layer chromatography Methods 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- LDHQCZJRKDOVOX-UHFFFAOYSA-N trans-crotonic acid Natural products CC=CC(O)=O LDHQCZJRKDOVOX-UHFFFAOYSA-N 0.000 description 1
- 150000003852 triazoles Chemical class 0.000 description 1
- 125000000026 trimethylsilyl group Chemical group [H]C([H])([H])[Si]([*])(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- AAAQKTZKLRYKHR-UHFFFAOYSA-N triphenylmethane Chemical compound C1=CC=CC=C1C(C=1C=CC=CC=1)C1=CC=CC=C1 AAAQKTZKLRYKHR-UHFFFAOYSA-N 0.000 description 1
- 229920006305 unsaturated polyester Polymers 0.000 description 1
- 150000003672 ureas Chemical class 0.000 description 1
- 239000000984 vat dye Substances 0.000 description 1
- 208000029257 vision disease Diseases 0.000 description 1
- 230000004393 visual impairment Effects 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000004711 α-olefin Substances 0.000 description 1
Landscapes
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Paints Or Removers (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Silicon Polymers (AREA)
- Eyeglasses (AREA)
Description
【0001】[0001]
【産業上の利用分野】本発明は新規な紫外線吸収剤及び
紫外線吸収組成物並びに該組成物から製造される光学材
料、特に眼内レンズ、コンタクトレンズおよび眼鏡レン
ズ等に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to novel ultraviolet absorbers and ultraviolet absorbing compositions, and optical materials produced from the compositions, particularly intraocular lenses, contact lenses and spectacle lenses.
【0002】[0002]
【従来の技術】従来より、樹脂用紫外線吸収剤として
は、サリシレート系、ベンゾフェノン系、ベンゾトリア
ゾール系、シアノアクリレート系等の化合物が知られて
おり、用途、目的に応じて種々選択して用いられてい
る。2. Description of the Related Art Conventionally, salicylate-based, benzophenone-based, benzotriazole-based, cyanoacrylate-based compounds, etc. have been known as ultraviolet absorbers for resins, and various compounds are selected and used according to the use and purpose. ing.
【0003】従来より、紫外線吸収剤を重合組成物に添
加して用いる場合、その加工の場面或いは使用の場面に
おいて重合組成物からのプリードアウトによる性能劣化
及び、生体への毒性が問題となることから、この様な問
題を改善するため、重合可能な骨格を有する紫外線吸収
剤を用い、これを単独重合、あるいは重合性モノマーと
共重合させる方法が用いられている。例えば、2,4−
ジヒドロキシベンゾフェノンとアクリル酸とのエステル
(特公昭36−6771号)を重合性モノマーと共重合
させる方法が報告されている。しかしながら、ベンゾフ
ェノン系誘導体のアクリル酸エステルでは、最大吸収波
長が比較的短く、地上における太陽光線の紫外線領域の
中で、その積算エネルギーの大きい波長領域(320〜
400nm)を吸収するには不十分であった。そのた
め、長波長領域での紫外線吸収効果が高く、より長い最
大吸収波長をもつベンゾトリアゾール系紫外線吸収剤で
重合組成物からの溶出、ブリードアウトのない紫外線吸
収剤が望まれていた。また、これらの方法においても、
重合体に対して相溶性が悪い場合には、重合時あるいは
使用時に未反応の紫外線吸収剤がブリードアウトして性
能の劣化や変質をきたしたりする場合があった。また、
紫外線吸収剤が重合組成物において相溶性が悪い場合に
は、紫外線吸収剤が重合体中で相分離を起こし、透明性
の低下、機械的強度の低下など重合組成物自身の物性を
低下する場合があった。Conventionally, when an ultraviolet absorber is used by adding it to a polymerized composition, performance deterioration due to bleeding out from the polymerized composition and toxicity to the living body become a problem in the processing scene or use scene. Therefore, in order to improve such problems, a method of using an ultraviolet absorber having a polymerizable skeleton and homopolymerizing it or copolymerizing it with a polymerizable monomer is used. For example, 2,4-
A method of copolymerizing an ester of dihydroxybenzophenone and acrylic acid (Japanese Patent Publication No. 36-6771) with a polymerizable monomer has been reported. However, the maximum absorption wavelength of acrylates of benzophenone derivatives is relatively short, and the wavelength range (320-
It was insufficient to absorb (400 nm). Therefore, a benzotriazole-based UV absorber having a high UV absorption effect in the long wavelength region and having a longer maximum absorption wavelength, which is free from elution and bleed-out from the polymerization composition, has been desired. Also in these methods,
If the compatibility with the polymer is poor, the unreacted UV absorber may bleed out during polymerization or use, and the performance may be deteriorated or deteriorated. Also,
In the case where the UV absorber has poor compatibility in the polymerization composition, the UV absorber causes phase separation in the polymer, and the physical properties of the polymerization composition itself are deteriorated such as a decrease in transparency and a decrease in mechanical strength. was there.
【0004】一方、日光がヒトの目に、特に白内障の形
成に関して、障害をもたらすことは周知である。これに
最も関与する日光の部分は、300〜400nmの近紫
外領域である。この紫外線(UV)バンドは水晶体、網
膜に化学変化を引き起こすことによって目に障害をもた
らすことが知られている。この近紫外線によって引き起
こされる目の障害の問題は無水晶体患者においてとりわ
け大きい。本来、UV吸収フィルターとしての役割を果
している水晶体を摘出しているため、近視外線が引き起
こし得る光化学障害を受けやすいからである。かかる問
題を回避し、ヒトの目を保護するという面において米国
特許第3,141,869号明細書にあるように、紫外
線が目に達するのを防止するために紫外線吸収剤を眼鏡
レンズ中に混入することがなされていた。この様な目的
には300〜400nmの波長領域での紫外線吸収能に
優れる紫外線吸収剤が望まれることから、ベンゾトリア
ゾール系紫外線吸収剤が最適であると言える。On the other hand, it is well known that sunlight causes damage to the human eye, especially with regard to the formation of cataracts. The part of the sun that is most involved in this is the near-ultraviolet region of 300-400 nm. This ultraviolet (UV) band is known to cause eye damage by causing chemical changes in the lens and retina. The problem of eye damage caused by this near-ultraviolet light is especially great in aphakic patients. This is because the crystalline lens, which originally plays a role as a UV absorption filter, is extracted, so that it is susceptible to photochemical damage that can be caused by myopia. In order to avoid such problems and protect the human eye, as described in US Pat. No. 3,141,869, a UV absorber is used in a spectacle lens to prevent UV rays from reaching the eye. It was supposed to be mixed. For this purpose, a benzotriazole-based UV absorber is most suitable because a UV absorber having excellent UV-absorbing ability in the wavelength range of 300 to 400 nm is desired.
【0005】しかしながら、この様な光学材料、特に眼
科領域での医療用光学材料においても、上記の様な、紫
外線吸収剤のブリードアウト、溶出、および重合体との
相溶性不良による物性の低下などが問題になっていた。
特に、酸素透過性コンタクトレンズや軟質眼内レンズに
眼機能および眼組織を保護するために紫外線吸収能を付
与した場合、これらはケイ素原子を含有する重合体、特
にシロキサン含有重合体よりなるため、PMMAに代表
される従来の医療用光学材料とは異なり、紫外線吸収剤
のレンズ基材からの溶出、ブリードアウト、紫外線吸収
特性の劣化などの問題が顕著である。つまり、シリコー
ンのガラス転移点が常温より低く、常温ではゴム状高分
子であることから分るように、シロキサン化合物の重合
体においてはシロキサン領域の分子運動が大きく、この
部分に存在する紫外線吸収剤がブリードアウトや溶出し
やすい傾向にあった。このため、長期間の使用により紫
外線吸収特性がなくなったり、紫外線吸収剤が溶出する
ことによる安全上の問題があった。そして、酸素透過性
や柔軟性を高めるためにシロキサン化合物の含有量を多
くすればするほど、上記の安全性や紫外線吸収能の劣化
の問題点が顕著になっていた。However, even in the case of such optical materials, particularly medical optical materials in the ophthalmological field, deterioration of physical properties due to the bleed-out and elution of the ultraviolet absorber and poor compatibility with the polymer as described above. Was a problem.
In particular, in the case of imparting ultraviolet absorbing ability to the oxygen permeable contact lens or the soft intraocular lens in order to protect the eye function and the eye tissue, since these are composed of a polymer containing a silicon atom, particularly a siloxane-containing polymer, Unlike conventional medical optical materials typified by PMMA, problems such as elution of an ultraviolet absorbent from a lens substrate, bleed-out, and deterioration of ultraviolet absorption characteristics are remarkable. That is, as can be seen from the fact that the glass transition point of silicone is lower than room temperature and that it is a rubber-like polymer at room temperature, the molecular motion of the siloxane region is large in the polymer of the siloxane compound, and the ultraviolet absorber existing in this part is large. Tended to bleed out and elute. For this reason, there is a safety problem due to the ultraviolet absorbing property disappearing after long-term use or the ultraviolet absorbent elutes. Further, as the content of the siloxane compound is increased in order to enhance the oxygen permeability and the flexibility, the problems of the above-mentioned safety and deterioration of the ultraviolet absorbing ability become more remarkable.
【0006】また、特に酸素透過性コンタクトレンズ、
軟質眼内レンズなどの医療用材料にあっては素材中にシ
リコーンの様な疎水性成分と生体親和性を高める親水性
成分とからなるため、添加した紫外線吸収剤が相分離し
やすく、素材の物性を低下させるという問題もあった。Also, particularly oxygen permeable contact lenses,
In medical materials such as soft intraocular lenses, since the material consists of a hydrophobic component such as silicone and a hydrophilic component that enhances biocompatibility, the added UV absorber is easy to phase separate, There was also a problem of deteriorating the physical properties.
【0007】[0007]
【発明が解決しようとする課題】本発明は、上記問題点
を解決するためになされたものであり、300〜400
nmの波長領域での紫外線吸収能に優れ、溶出、ブリー
ドアウトがなく、重合体に相溶性の良い紫外線吸収剤お
よびその重合組成物を提供することを目的とする。SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and is 300 to 400.
It is an object of the present invention to provide an ultraviolet absorber having excellent ultraviolet absorbing ability in the wavelength region of nm, free from elution and bleed-out, and having good compatibility with a polymer, and a polymerized composition thereof.
【0008】[0008]
【課題を解決するための手段】本発明は、ベンゾトリア
ゾール系紫外線吸収剤の骨格を分子内に有し、かつ重合
可能な不飽和二重結合を分子内に有し、かつアルキレン
鎖に挟まれたウレタン結合を分子内に有することを特徴
とする紫外線吸収剤を提供する。また、本発明は、分子
中に重合可能な不飽和二重結合を有する単量体に上記本
発明の紫外線吸収剤を共重合して得られるポリマを含有
する紫外線吸収組成物を提供する。さらに、本発明は、
上記本発明の組成物から成り、光学的に透明な光学材料
を提供する。また、本発明は、上記本発明の組成物から
なるヒドロゲルを提供する。さらに、本発明は、上記本
発明の組成物からなるプラスチックフィルムを提供す
る。さらに本発明は、上記本発明の組成物からなるコー
ティング材料を提供する。The present invention has a skeleton of a benzotriazole type ultraviolet absorber in the molecule, a polymerizable unsaturated double bond in the molecule, and is sandwiched between alkylene chains. Provided is an ultraviolet absorber having a urethane bond in the molecule. The present invention also provides an ultraviolet absorbing composition containing a polymer obtained by copolymerizing a monomer having a polymerizable unsaturated double bond in the molecule with the ultraviolet absorbent of the present invention. Further, the present invention provides
An optically transparent optical material comprising the above composition of the present invention is provided. The present invention also provides a hydrogel comprising the above composition of the present invention. Furthermore, the present invention provides a plastic film comprising the composition of the present invention. Furthermore, the present invention provides a coating material comprising the composition of the present invention.
【0009】本発明の紫外線吸収剤は、ウレタン結合を
介してアルキレン鎖を有するため多くの重合体との相溶
性を高めることができ、共有結合を介して重合体に配合
され、これを含む重合体に紫外線吸収能を付与すること
ができる。ウレタン結合自身は極性基であり、このウレ
タン結合を挟むアルキレン鎖は極性が低く疎水性のた
め、このアルキレン鎖の長さを調節することにより、紫
外線吸収剤分子全体の極性をコントロールできる。こう
することにより多くの重合体に対して最適の相溶性を得
ることができる。この結果、紫外線吸収剤が重合体のモ
ノマとより完全に反応し、このことにより抽出可能な未
反応単量体量を低下させることができる。本発明の紫外
線吸収剤は、特に300〜400nm程度の波長領域の
紫外線吸収能に優れたベンゾトリアゾール系紫外線吸収
剤の骨格を分子内に有する。ここで、ベンゾトリアゾー
ル系紫外線吸収剤の骨格とは、ベンゾトリアゾール環の
2位の窒素原子にフェノール環が結合したものを意味す
る。そして、他の重合可能なモノマーとの共重合又はそ
れ自身での単独重合を可能にする、重合可能な不飽和二
重結合を分子内に有する。かつ、多くの重合体に対して
最適の相溶性を与えることを可能にする、アルキレン鎖
にはさまれたウレタン結合を有する。 Since the ultraviolet absorbent of the present invention has an alkylene chain through a urethane bond, it can improve the compatibility with many polymers, and is incorporated into the polymer through a covalent bond, and it contains a heavy chain containing the same. Ultraviolet absorption ability can be imparted to the coalescence. The urethane bond itself is a polar group, and the alkylene chain sandwiching the urethane bond has low polarity and is hydrophobic, and therefore the polarity of the entire ultraviolet absorber molecule can be controlled by adjusting the length of the alkylene chain. By doing so, optimum compatibility with many polymers can be obtained. As a result, the UV absorber reacts more completely with the polymer monomers, which can reduce the amount of unreacted monomer that can be extracted. The ultraviolet absorbent of the present invention has, in its molecule, a skeleton of a benzotriazole-based ultraviolet absorbent which is particularly excellent in ultraviolet absorbing ability in the wavelength region of about 300 to 400 nm. Here, the skeleton of the benzotriazole-based ultraviolet absorber means that the phenol ring is bonded to the 2-position nitrogen atom of the benzotriazole ring. Further, it has a polymerizable unsaturated double bond in the molecule, which enables copolymerization with another polymerizable monomer or homopolymerization by itself. And it makes it possible to give optimum compatibility with many polymers, that have a urethane bond sandwiched alkylene chain.
【0010】本発明の紫外線吸収剤の好ましい例とし
て、下記式[I]で示される2−{2´−ヒドロキシ−
5´−β−[N−(β−(メタ)アクリロイルオキシア
ルキル)カルバモイルオキシ]アルコキシフェニル}−
2H−ベンゾトリアゾールを挙げることができる。As a preferable example of the ultraviolet absorber of the present invention, 2- {2'-hydroxy-indicated by the following formula [I]:
5′-β- [N- (β- (meth) acryloyloxyalkyl) carbamoyloxy] alkoxyphenyl}-
2H-benzotriazole can be mentioned.
【0011】[0011]
【化2】
(ただし、式中、R1 はH、ハロゲン、炭素原子数1〜
10のアルコキシ基または炭素数1〜10のアルキル基
であり、R2 はH、CH3 および炭素原子数1〜10の
アルキル基からなる群から選択され、且つXは
−O−R3 −O−CO−NH−R4 −O−CO−C(R5 )=CH2
(ここでR3 およびR4 は直鎖または枝分れ鎖のいずれ
でも良いC2 〜C20のアルキレン基であり、且つR5 は
H又はCH3 である))
特に好適な上記構造の物質は、R1 はアルキル基、特に
CH3 、塩素又はCH3O、R2 はt−ブチル、XはR
3 が−C2 H4 −または−C3 H6 −でありかつR4 が
−C2 H4 −または−C3 H6 −である場合のものであ
る。中でも特に好適な化合物は、式[II]で示される2
−{2´−ヒドロキシ−5´−{β−[N−(β−メタ
クリロイルオキシエチル)カルバモイルオキシ]エトキ
シ}−3´−t−ブチルフェニル}−5−メチル−2H
−ベンゾトリアゾールである。[Chemical 2] (However, in the formula, R 1 is H, halogen, or 1 to 1 carbon atoms.
A C 10 alkoxy group or a C 1-10 alkyl group, R 2 is selected from the group consisting of H, CH 3 and a C 1-10 alkyl group, and X is —O—R 3 —O. —CO—NH—R 4 —O—CO—C (R 5 ) ═CH 2 (wherein R 3 and R 4 are C 2 to C 20 alkylene groups which may be linear or branched). , And R 5 is H or CH 3 )) Particularly preferred substances of the above structure are those in which R 1 is an alkyl group, in particular CH 3 , chlorine or CH 3 O, R 2 is t-butyl and X is R.
3 is —C 2 H 4 — or —C 3 H 6 — and R 4 is —C 2 H 4 — or —C 3 H 6 —. Among them, a particularly preferable compound is 2 represented by the formula [II]
-{2'-hydroxy-5 '-{β- [N- (β-methacryloyloxyethyl) carbamoyloxy] ethoxy} -3'-t-butylphenyl} -5-methyl-2H
-Benzotriazole.
【0012】[0012]
【化3】
上記式[I]で示される紫外線吸収剤は、所望のR2 と
−OR3 OHを有するフェノール誘導体と所望のR1 を
有するニトロアニリンとを反応させてニトロフェニルア
ゾフェノール誘導体にし、これをアルカリ処理して所望
のR1 、R2 及び−OR3 OHを有するフェニル−2H
−トリアゾール誘導体にした後、これに所望のR4 及び
R5 を有するOCN−R4 −O−CO−C(R5 )=C
H2 で表されるイソシアネート誘導体を反応させること
により製造することができる。これらの個々の工程は、
公知の有機化学反応に基づき行うことができ、また、好
ましい具体的な条件は下記実施例に詳細に記載されてい
る。[Chemical 3] The ultraviolet absorber represented by the above formula [I] is obtained by reacting a phenol derivative having a desired R 2 and —OR 3 OH with a nitroaniline having a desired R 1 to give a nitrophenylazophenol derivative, which is then treated with an alkali. Phenyl-2H which has been processed to have the desired R 1 , R 2 and —OR 3 OH.
- After the triazole derivative, OCN-R 4 -O-CO -C (R 5) having the desired R 4 and R 5 to = C
It can be produced by reacting an isocyanate derivative represented by H 2 . These individual steps are
It can be carried out based on a known organic chemical reaction, and preferable specific conditions are described in detail in the examples below.
【0013】本発明の紫外線吸収剤は多くの不飽和単量
体と共重合させて所望の紫外線吸収特性を有する組成物
を提供できる。本発明の紫外線吸収組成物は、本発明の
紫外線吸収剤のホモポリマまたはコポリマのみから成っ
ていてもよいし、さらに他のポリマ及び/又は種々の添
加剤や着色料を含むものであってもよい。すなわち、本
発明の紫外線吸収剤の単独重合体あるいは共重合体は紫
外線吸収特性を付与するため、広範囲の重合体に対する
添加剤として使用することもできる。本発明の紫外線吸
収剤が共重合成分として含有されるのに適当な代表的重
合体及び共重合体並びに該紫外線吸収性ポリマとブレン
ドするのに適当な代表的重合体及び共重合体には、次の
様なものがある。The UV absorber of the present invention can be copolymerized with many unsaturated monomers to provide a composition having desired UV absorbing properties. The ultraviolet absorbing composition of the present invention may be composed only of the homopolymer or copolymer of the ultraviolet absorbent of the present invention, and may further contain other polymer and / or various additives and colorants. . That is, since the homopolymer or copolymer of the ultraviolet absorbent of the present invention imparts ultraviolet absorption characteristics, it can be used as an additive for a wide range of polymers. Representative polymers and copolymers suitable for containing the ultraviolet absorber of the present invention as a copolymerization component, and representative polymers and copolymers suitable for blending with the ultraviolet absorbing polymer include There are the following.
【0014】(1)モノーまたはジオレフィンから由来す
る重合体:例えば、任意に架橋してあってもよいポリエ
チレン、ポリプロピレン、ポリイソプレン、ポリイソブ
チレン、ポリメチルブテン−1、ポロメチルペンテン−
1、ポリイソブチレン、ポリブタジエン、ポリ−4−メ
チルペンテン。(1) Polymers derived from mono- or diolefins: for example, polyethylene, polypropylene, polyisoprene, polyisobutylene, polymethylbutene-1, polymethylbutene-1, which may be optionally crosslinked.
1, polyisobutylene, polybutadiene, poly-4-methylpentene.
【0015】(2)(1) に挙げた単独重合体の混合物:例
えばポリプロピレンとポリエチレン、ポリプロピレンと
ポリイソブテン、ポリプロピレンとポリブテン−1 。(2) Mixtures of homopolymers mentioned in (1): polypropylene and polyethylene, polypropylene and polyisobutene, polypropylene and polybutene-1.
【0016】(3)(1) に挙げた重合体に基づく単量体の
共重合体:例えば、エチレン−クロロピレン共重合体、
プロピレン−ブテン−1共重合体、プロピレン−イソブ
チレン共重合体、エチレン−ブテン−1共重合体、およ
びエチレンとプロピレンとのジエン、例えばヘキサジエ
ン、ジシクロペンタジエン、エチリデンノルボルネンと
の三元共重合体、並びにアルファ−オレフィン例えばエ
チレンと(メタ)アクリル酸との共重合体。(3) Copolymer of monomers based on the polymers listed in (1): for example, ethylene-chloropyrene copolymer,
Propylene-butene-1 copolymer, propylene-isobutylene copolymer, ethylene-butene-1 copolymer, and diene of ethylene and propylene, for example, hexadiene, dicyclopentadiene, terpolymer of ethylidene norbornene, And alpha-olefins such as copolymers of ethylene and (meth) acrylic acid.
【0017】(4)スチレン又はα−メチルスチレンの共
重合体:例えば、スチレン−ブタジエン共重合体、スチ
レン−アクリロニトリル共重合体、スチレン−アクリロ
ニトリル−(メタ)アクリル酸エステル共重合体、衝撃
強度を付与するためにアクリル酸エステル重合体で変性
したスチレン−アクリロニトリル共重合体並びにブロッ
ク共重合体、例えばスチレン−ブタジエン−スチレンブ
ロック共重合体。(4) Copolymer of styrene or α-methylstyrene: For example, styrene-butadiene copolymer, styrene-acrylonitrile copolymer, styrene-acrylonitrile- (meth) acrylic acid ester copolymer, impact strength Styrene-acrylonitrile copolymers and block copolymers modified with acrylic acid ester polymers for application, such as styrene-butadiene-styrene block copolymers.
【0018】(5)スチレンのグラフト共重合体:例えば
ポリブタジエンへのスチレンのグラフト共重合体、一般
にアクリトニトリル−ブタジエン−スチレンまたはAB
S樹脂と呼ばれるポリブタジエンおよび(4) に挙げた共
重合体とポリブタジエンの混合物へのスチレンとアクリ
ロニトリルのグラフト共重合体。(5) Graft copolymers of styrene: For example, graft copolymers of styrene onto polybutadiene, generally acrytonitrile-butadiene-styrene or AB.
Graft copolymer of styrene and acrylonitrile onto a mixture of polybutadiene called S resin and the copolymer listed in (4) and polybutadiene.
【0019】(6)ポリオルガノシロキサンの様なシリコ
ーン重合体。(6) Silicone polymers such as polyorganosiloxane.
【0020】(7)ハロゲン含有ビニル重合体:例えば、
ポリ塩化ビニル、ポリ塩化ビニリデン、ポリフッ化ビニ
ル、ポリフッ化ビニリデン、ポリクロロプレン、塩化ゴ
ム、塩化ビニル−塩化ビニリデン共重合体、塩化ビニル
−酢酸ビニル共重合体、塩化ビニリデン−酢酸ビニル共
重合体。(7) Halogen-containing vinyl polymer: For example,
Polyvinyl chloride, polyvinylidene chloride, polyvinyl fluoride, polyvinylidene fluoride, polychloroprene, rubber chloride, vinyl chloride-vinylidene chloride copolymer, vinyl chloride-vinyl acetate copolymer, vinylidene chloride-vinyl acetate copolymer.
【0021】(8)α、β−不飽和有機酸及びその誘導
体:ポリアクリル酸およびポリメタクリル酸のエステ
ル、ポリメタクリル酸ヒドロキシエチル、ポリアクリル
アミド及びポリアクリロニトリル。本発明の紫外線吸収
剤は(メタ)アクリル酸及び一つ以上のその誘導体の共
重合体からなる熱硬化性アクリル樹脂ラッカーおよびメ
ラミン−ホルムアルデヒド樹脂中で有利に使用すること
ができる。(8) α, β-unsaturated organic acids and their derivatives: esters of polyacrylic acid and polymethacrylic acid, hydroxyethyl polymethacrylate, polyacrylamide and polyacrylonitrile. The UV absorbers according to the invention can advantageously be used in thermosetting acrylic resin lacquers and copolymers of (meth) acrylic acid and one or more derivatives thereof and melamine-formaldehyde resins.
【0022】(9)不飽和アルコールおよびアミンから由
来する重合体、並びにそれらのアシル重合体、例えばポ
リビニルアルコール、ポリ酢酸ビニル、ポリステアリン
酸ビニル、ポリ安息香酸ビニル、ポリマレイン酸ビニ
ル、ポリビニルブチラール、ポリフタル酸アリル、ポリ
アリルメラミン及び他のビニル化合物との共重合体。例
えばエチレン−酢酸ビニル共重合体。(9) Polymers derived from unsaturated alcohols and amines, and acyl polymers thereof, such as polyvinyl alcohol, polyvinyl acetate, vinyl polystearate, vinyl polybenzoate, vinyl polymaleate, polyvinyl butyral, polyphthalate. Copolymers with allyl acid, polyallyl melamine and other vinyl compounds. For example, ethylene-vinyl acetate copolymer.
【0023】(10) エポキシドから由来する単独重合体
及び共重合体:例えば、ポリエチレンオキシド又はビス
グリシジルエーテルから由来する重合体。(10) Homopolymers and copolymers derived from epoxides: for example, polymers derived from polyethylene oxide or bisglycidyl ether.
【0024】(11) ポリアセタール:例えばポリオキシ
メチレン、及び共重合体としてエチレンオキシドを含有
するポリオキシメチレン。(11) Polyacetal: For example, polyoxymethylene, and polyoxymethylene containing ethylene oxide as a copolymer.
【0025】(12) ポリアルキレンオキシド:例えばポ
リオキシエチレン、ポリプロピレンオキシド又はポリブ
チレンオキシド。(12) Polyalkylene oxide: for example, polyoxyethylene, polypropylene oxide or polybutylene oxide.
【0026】(13) ポリフェニレンオキシド
(14) ポリウレタン及びポリ尿素
(15) ポリカーボネート
(16) ポリスルホン
(17) ジアミンとジカルボン酸から及び/又はアミノカ
ルボン酸又は相当するラクタムから由来するポリアミド
及びコポリアミド:例えば、ポリアミド6、ポリアミド
6/6、ポリアミド6/10、ポリアミド11、ポリア
ミド12、m−ビニルラクタム及びポリ−m−フェニレ
ン−イソフタルアミド。(13) Polyphenylene oxide (14) Polyurethanes and polyureas (15) Polycarbonates (16) Polysulfones (17) Polyamides and copolyamides derived from diamines and dicarboxylic acids and / or aminocarboxylic acids or the corresponding lactams: eg , Polyamide 6, polyamide 6/6, polyamide 6/10, polyamide 11, polyamide 12, m-vinyl lactam and poly-m-phenylene-isophthalamide.
【0027】(18) ジカルボン酸とジアルコールから及
び/又はヒドロキシスルホン酸又は相当するラクトンか
ら由来するポリエステル:例えば、ポリエチレングリコ
ールテレフタレート、ポリ−1,4−ジメチルシクロヘ
キサンテレフタレート。(18) Polyesters derived from dicarboxylic acids and dialcohols and / or from hydroxysulfonic acids or the corresponding lactones: eg polyethylene glycol terephthalate, poly-1,4-dimethylcyclohexane terephthalate.
【0028】(19) 一方においてアルデヒドから及び他
方においてフェノール、尿素及びメラミンから由来する
架橋した重合体:例えば、フェノール−ホルムアルデヒ
ド、尿素−ホルムアルデヒド及びメラミン−ホルムアル
デヒド。(19) Crosslinked polymers derived from aldehydes on the one hand and phenols, ureas and melamines on the other hand: for example phenol-formaldehyde, urea-formaldehyde and melamine-formaldehyde.
【0029】(20) アルキド樹脂:例えばグリセリン−
フタル酸樹脂及びそれらのメラミン−ホルムアルデヒド
樹脂との混合物。(20) Alkyd resin: for example, glycerin-
Phthalates and their mixtures with melamine-formaldehyde resins.
【0030】(21) 飽和及び不飽和ジカルボン酸と多価
アルコールのコポリエステルから並びに架橋剤としての
ビニル化合物から由来する不飽和ポリエステル且つまた
そのハロゲン含有難燃性変性物。(21) Unsaturated polyesters derived from copolyesters of saturated and unsaturated dicarboxylic acids and polyhydric alcohols and also from vinyl compounds as crosslinking agents and also halogen-containing flame-retardant modifications thereof.
【0031】(22) 天然重合体:例えば、セルロース、
ゴム。(22) Natural polymer: for example, cellulose,
Rubber.
【0032】(23)(22) の化学的に変性した同族誘導
体:例えば酢酸セルロース、プロピオン酸セルロース、
及び酢酸セルロース並びにセルロースエーテル、例えば
メチルセルロース。(23) A chemically modified homologous derivative of (22): cellulose acetate, cellulose propionate,
And cellulose acetate and cellulose ethers such as methyl cellulose.
【0033】特に有用な組成物は、本発明の紫外線吸収
剤と例えばスチレン、メチルスチレン、ケイ素原子と不
飽和二重結合とを有する化合物、アクリル酸エステル、
メタクリル酸エステル、アクリルアミド、アクリロニト
リル、メタクリロニトリル、酢酸ビニル、塩化ビニル、
塩化ビニリデン、フッ化ビニリデン、フッ化ビニル、ビ
ニルラクタム、エチレン、プロピレン及びそれらの混合
物の様な、他の共重合性不飽和二重結合を有する単量体
との共重合体を含むものである。Particularly useful compositions are the UV absorbers according to the invention and, for example, styrene, methylstyrene, compounds containing silicon atoms and unsaturated double bonds, acrylates,
Methacrylic acid ester, acrylamide, acrylonitrile, methacrylonitrile, vinyl acetate, vinyl chloride,
It includes a copolymer with another monomer having a copolymerizable unsaturated double bond such as vinylidene chloride, vinylidene fluoride, vinyl fluoride, vinyl lactam, ethylene, propylene and a mixture thereof.
【0034】また、本発明の組成物中に含まれるポリマ
の好ましいものとして、ケイ素原子を含有するものがあ
る。ここで、ケイ素原子を含有するポリマとは、ポリマ
の主鎖および/または側鎖にケイ素原子を含有していれ
ばよく、例えばシロキサン結合や、トリメチルシリル基
などの有機シラン基を含有するポリマを主成分としてな
る重合体である。これら、ケイ素原子を含有するポリマ
ーにおいて酸素透過性の点、および/または柔軟性の点
からケイ素原子がシロキサン結合によりポリマ中に含有
される長鎖状のものが好ましい。かかる重合体の具体例
としては、トリス(トリメチルシロキシ)シリルプロピ
ルメタクリレート、両末端に二重結合を持ったポリジメ
チルシロキサン、シリコーン含有(メタ)アクリレート
などを用いたホモポリマ、あるいはこれらのモノマと他
のモノマとのコポリマなどが挙げられる。共重合可能な
モノマとしては、(メタ)アクリルモノマ、芳香族ビニ
ルモノマ、ヘテロ環ビニルモノマなどの単官能モノマ、
あるいはジ−、トリ−、テトラ−(メタ)アクリルモノ
マ、芳香族ジビニルモノマ、芳香族ジアリルモノマなど
の多官能モノマなどが挙げられる。(メタ)アクリルモ
ノマとしては、メチル(メタ)アクリレート、エチル
(メタ)アクリレート、ブチル(メタ)アクリレートな
どのアルキル(メタ)アクリレート類、(メタ)アクリ
ル酸、ヒドロキシエチル(メタ)アクリレート、ヒドロ
キシブチル(メタ)アクリレートなどのヒドロキシアル
キル(メタ)アクリレート類、トリフロロエチル(メ
タ)アクリレート、テトラフロロエチル(メタ)アクリ
レートなどのハロゲン化アルキル(メタ)アクリレート
類、シクロヘキシル(メタ)アクリレートなどのシクロ
アルキル(メタ)アクリレート類などが挙げられる。中
でも、メチルメタクリレートを用いると、機械的特性に
おいて良好なものとなる。また、フロロアルキル(メ
タ)アクリレートを用いると、酸素透過性と機械的特性
の両機能を満足する重合体とすることができる点から好
ましい。また、芳香族ビニルモノマとしては、ビニルベ
ンゼン、ビニルナフタレン、ビニルエチルベンゼンなど
の例を挙げることができる。さらに、ヘテロ環ビニルモ
ノマとしては、ビニルカルバゾール、マレイミド、無水
マレイン酸などの例を挙げることができる。これら共重
合可能なモノマとしては、共重合性、透明性などの点か
ら(メタ)アクリレートモノマが好ましい。中でも、機
械的特性、透明性、酸素透過性の点からメチル(メタ)
アクリレート、トリフロロエチル(メタ)アクリレー
ト、(メタ)アクリル酸が最も好ましい。共重合可能な
多官能性モノマについて説明する。ジ(メタ)アクリル
モノマの例としては、エチレングリコールジ(メタ)ア
クリレート、ジエチレングリコールジ(メタ)アクリレ
ート、ビスフェノールAジ(メタ)アクリレート、エチ
レンオキシド付加ビスフェノールAジ(メタ)アクリレ
ートおよびそのウレタン変性ジ(メタ)アクリレート、
プロピレングリコールジ(メタ)アクリレート、グリセ
ロールジ(メタ)アクリレート、ネオペンチルグリコー
ルジ(メタ)アクリレートなどが挙げられる。トリ(メ
タ)アクリルモノマとしては、トリメチロールプロパン
トリ(メタ)アクリレート、ペンタエリスリトールトリ
(メタ)アクリレート、などの例が挙げられる。テトラ
(メタ)アクリルモノマとしては、テトラメチロールメ
タンテトラ(メタ)アクリレートなどが挙げられる。芳
香族ジビニル化合物としては、o−、m−、p−のジア
リルフタレートなどが挙げられる。その他の多官能モノ
マの例としては、ビスマレイミド、アリル(メタ)アク
リレートなども挙げることができる。共重合性、透明性
などの点からジ−、トリ−、テトラ−、(メタ)アクリ
レートモノマが好ましい。中でも、機械的特性、透明性
の点からトリ(メタ)アクリレートが最も好ましい。The preferred polymer contained in the composition of the present invention is one containing a silicon atom. Here, the polymer containing a silicon atom may be a polymer containing a silicon atom in the main chain and / or side chain of the polymer, and is, for example, a polymer containing a siloxane bond or an organic silane group such as a trimethylsilyl group. It is a polymer as a component. In these polymers containing a silicon atom, a long-chain polymer in which a silicon atom is contained in a polymer through a siloxane bond is preferable from the viewpoint of oxygen permeability and / or flexibility. Specific examples of such a polymer include tris (trimethylsiloxy) silylpropyl methacrylate, polydimethylsiloxane having a double bond at both ends, a homopolymer using a silicone-containing (meth) acrylate, or a homopolymer of these monomers and other monomers. Examples include copolymers with monomers. The copolymerizable monomers include (meth) acrylic monomers, aromatic vinyl monomers, monofunctional monomers such as heterocyclic vinyl monomers,
Alternatively, polyfunctional monomers such as di-, tri-, tetra- (meth) acrylic monomers, aromatic divinyl monomers, aromatic diallyl monomers and the like can be mentioned. Examples of the (meth) acrylic monomer include alkyl (meth) acrylates such as methyl (meth) acrylate, ethyl (meth) acrylate and butyl (meth) acrylate, (meth) acrylic acid, hydroxyethyl (meth) acrylate, hydroxybutyl ( Hydroxyalkyl (meth) acrylates such as (meth) acrylates, halogenated alkyl (meth) acrylates such as trifluoroethyl (meth) acrylate, tetrafluoroethyl (meth) acrylate, cycloalkyl (meth) acrylates such as cyclohexyl (meth) acrylate ) Examples include acrylates. Above all, the use of methyl methacrylate provides good mechanical properties. Further, it is preferable to use a fluoroalkyl (meth) acrylate from the viewpoint that a polymer satisfying both functions of oxygen permeability and mechanical properties can be obtained. Examples of the aromatic vinyl monomer include vinylbenzene, vinylnaphthalene, vinylethylbenzene and the like. Further, examples of the heterocyclic vinyl monomer include vinylcarbazole, maleimide, maleic anhydride and the like. As these copolymerizable monomers, (meth) acrylate monomers are preferable from the viewpoint of copolymerizability and transparency. Among them, methyl (meth) is advantageous in terms of mechanical properties, transparency, and oxygen permeability.
Most preferred are acrylate, trifluoroethyl (meth) acrylate, (meth) acrylic acid. The copolymerizable polyfunctional monomer will be described. Examples of di (meth) acrylic monomers include ethylene glycol di (meth) acrylate, diethylene glycol di (meth) acrylate, bisphenol A di (meth) acrylate, ethylene oxide-added bisphenol A di (meth) acrylate and urethane-modified di (meth) acrylate. ) Acrylate,
Propylene glycol di (meth) acrylate, glycerol di (meth) acrylate, neopentyl glycol di (meth) acrylate and the like can be mentioned. Examples of tri (meth) acrylic monomers include trimethylolpropane tri (meth) acrylate and pentaerythritol tri (meth) acrylate. Examples of the tetra (meth) acrylic monomer include tetramethylolmethane tetra (meth) acrylate. Examples of the aromatic divinyl compound include o-, m-, and p-diallyl phthalates. Examples of other polyfunctional monomers include bismaleimide and allyl (meth) acrylate. Di-, tri-, tetra-, and (meth) acrylate monomers are preferable in terms of copolymerizability and transparency. Of these, tri (meth) acrylate is most preferable from the viewpoint of mechanical properties and transparency.
【0035】以上のことより、透明性、酸素透過性、機
械的特性の点からケイ素原子を含有する重合体として、
二重結合を有するシロキサン化合物と(メタ)アクリロ
イル基を有する化合物の共重合体であることが最も好ま
しい。From the above, from the viewpoint of transparency, oxygen permeability and mechanical properties, a polymer containing a silicon atom,
Most preferably, it is a copolymer of a siloxane compound having a double bond and a compound having a (meth) acryloyl group.
【0036】ケイ素原子を含有する重合体と共重合可能
なモノマとを共重合する場合、通常、それぞれの組成
は、ケイ素原子を含有する重合体10〜90重量部、共
重合可能なモノマ10〜90重量部の範囲で選択される
が、とくに限定されるものではない。ケイ素原子を含有
する重合体が9重量部以下の場合、酸素透過性が不足
し、また91重量部以上の場合、強度が低下するなど、
好ましくない場合がある。一般にケイ素原子を含有する
重合体と他のモノマとの共重合体において、ケイ素原子
を含有する重合体の割合が増加するにつれて酸素透過性
が大きくなり、強度が低下する傾向にある。When a polymer containing a silicon atom and a copolymerizable monomer are copolymerized, the respective compositions are usually 10 to 90 parts by weight of the polymer containing a silicon atom and 10 to 90 parts of the copolymerizable monomer. It is selected in the range of 90 parts by weight, but is not particularly limited. When the amount of the polymer containing a silicon atom is 9 parts by weight or less, the oxygen permeability is insufficient, and when it is 91 parts by weight or more, the strength decreases.
It may not be preferable. Generally, in a copolymer of a polymer containing a silicon atom and another monomer, as the proportion of the polymer containing a silicon atom increases, the oxygen permeability tends to increase and the strength tends to decrease.
【0037】重合体におけるケイ素原子の存在は、ポリ
マ全体に均一であっても、いわゆるミクロ相分離構造を
有する不均一系であっても良い。The presence of silicon atoms in the polymer may be uniform throughout the polymer or in a heterogeneous system having a so-called microphase-separated structure.
【0038】ケイ素原子を含む上記組成物の酸素透過係
数は10×10-11 cm3 (STP) ・ cm/cm 2 ・ sec ・ mmHg
以上であることが好ましい。ここでいうところの酸素透
過係数の測定は電極法真空法、加圧法など公知の方法に
ておこなわれる。本発明の紫外線吸収組成物をコンタク
トレンズに適用した場合、酸素透過係数10×10-11
cm3 (STP) ・ cm/cm 2 ・ sec ・ mmHgより小さければ、角
膜表面よりレンズを介して角膜に必要な酸素を十分には
供給できることができず、長期装用した場合、角膜の生
理的負担が大きくなり、好ましくない。また、連続装用
した場合、角膜の浮腫が生じ、視力障害を引き起こす可
能性があり好ましくない。添加する紫外線吸収剤の濃度
は、原料モノマーの混合液の重量に対して0.01〜1
0重量%の範囲が望ましい。濃度が0.01重量%以下
であれば十分な紫外線吸収能を得ることができない。ま
た、添加量が10重量%を越えると重合率の低下、機械
的強度の低下をもたらすことがあり、好ましくない。コ
ンタクトレンズ、眼内レンズにあっては、200〜40
0nmの紫外線領域内の最大吸収波長における透過率が
20%未満であることが望ましい。これを得るため、レ
ンズの厚さとのかね合いから適当な紫外線吸収剤の濃度
が決められる。The oxygen permeability coefficient of the above composition containing silicon atoms is 10 × 10 −11 cm 3 (STP) · cm / cm 2 · sec · mmHg.
The above is preferable. The oxygen permeability coefficient here is measured by a known method such as an electrode method vacuum method or a pressure method. When the ultraviolet absorbing composition of the present invention is applied to a contact lens, the oxygen transmission coefficient is 10 × 10 −11.
If it is smaller than cm 3 (STP) ・ cm / cm 2・ sec ・ mmHg, it will not be possible to supply enough oxygen to the cornea from the surface of the cornea through the lens, and the physiological burden on the cornea when worn for a long period of time. Is large, which is not preferable. In addition, continuous wearing causes undesired corneal edema, which may cause visual impairment. The concentration of the added ultraviolet absorber is 0.01 to 1 with respect to the weight of the mixed liquid of the raw material monomers.
A range of 0% by weight is desirable. If the concentration is 0.01% by weight or less, sufficient ultraviolet absorption ability cannot be obtained. Further, if the addition amount exceeds 10% by weight, the polymerization rate and the mechanical strength may decrease, which is not preferable. 200-40 for contact lenses and intraocular lenses
It is desirable that the transmittance at the maximum absorption wavelength in the ultraviolet region of 0 nm is less than 20%. To obtain this, a proper concentration of the ultraviolet absorber is determined in consideration of the thickness of the lens.
【0039】本発明の紫外線吸収組成物は短波長を透過
しないことから、カットフィルターとして広く光学材料
として使用することができる。光学材料に用いる場合、
紫外線吸収剤を単独で用いても良いし、可視光線領域の
吸収特性を調整するために着色剤を添加しても良い。用
いられる着色剤としては、直接染料、油溶性染料、酸性
染料、塩基性染料、分散染料、バット染料、有機顔料な
どにおけるモノアゾ系、ビスアゾ系、アントラキノン
系、キノナフタロン系、キサンテン系、ピラゾール系、
トリフェニルメタン系、インジゴイド系、フルオラン
系、キノリン系などの有機染料が挙げられるが、これに
限定されるものではない。Since the ultraviolet absorbing composition of the present invention does not transmit a short wavelength, it can be widely used as an optical material as a cut filter. When used for optical materials,
The ultraviolet absorber may be used alone, or a colorant may be added to adjust the absorption characteristics in the visible light region. As the coloring agent used, direct dyes, oil-soluble dyes, acid dyes, basic dyes, disperse dyes, vat dyes, monoazo-based bisazo-based organic pigments, bisazo-based, anthraquinone-based, quinonaphthalone-based, xanthene-based, pyrazole-based,
Examples thereof include triphenylmethane-based, indigoid-based, fluorane-based, and quinoline-based organic dyes, but are not limited thereto.
【0040】本発明の紫外線吸収組成物を光学材料とし
て用いる場合、眼鏡レンズ、眼内レンズ、コンタクトレ
ンズ等医療用光学材料の他、分光光度計用集光レンズ、
光ファイバー、太陽エネルギー集光器、蛍光拡散器など
が挙げられるが、特に好適なものはコンタクトレンズ、
眼内レンズである。When the ultraviolet absorbing composition of the present invention is used as an optical material, in addition to medical optical materials such as spectacle lenses, intraocular lenses and contact lenses, condenser lenses for spectrophotometers,
Optical fibers, solar energy collectors, fluorescent diffusers and the like can be mentioned, but particularly suitable ones are contact lenses,
It is an intraocular lens.
【0041】本発明の紫外線吸収組成物はまた、ヒドロ
ゲルの形態にあることができる。ここで“ヒドロゲル”
とは、約10〜90%の平衡含水率を有する架橋ポリマ
を意味する。このヒドロゲルを与えるモノマとして挙げ
られるものは、ヒドロキシ低級アルキル(C1 〜C9 )
(メタ)アクリレートであり、これは相当する(メタ)
アクリレートのジエステル、例えばエチレングリコール
ジメタクリレート数%で架橋され、ヒドロゲルとなる。
他の適当な親水性モノマの例はN−ビニル複素環式モノ
マであり、このモノマの例としてはN−ビニル−2−ピ
ロリドン、N−ビニルピリジン及びN−ビニルカプロラ
クタムが好適な例として挙げられる。更に、他の親水性
のモノマの例は重合性オレフィン酸及びアミドであり、
アクリル酸、メタクリル酸、イタコン酸、フマル酸、マ
レイン酸、クロトン酸、アクリルアミド、メタクリルア
ミド及びN−(1,1−ジメチル−3−オキソブチルア
クリルアミド)が好適な例として挙げられる。親水性モ
ノマのその他の適当な群はメチル及びエチルビニルエー
テルのような低級アルキルビニルエーテルである。本発
明において好ましい紫外線吸収ヒドロゲルはヒドロキシ
エチルメタクリレーと共重合したものである。なお、こ
のヒドロゲルはソフトコンタクトレンズや眼内レンズと
して好適に用いることができる。The UV absorbing composition of the present invention can also be in the form of a hydrogel. Where “hydrogel”
Means a crosslinked polymer having an equilibrium water content of about 10-90%. Examples of monomers that give this hydrogel include hydroxy lower alkyl (C 1 -C 9 ).
(Meth) acrylate, which is the corresponding (meth) acrylate
A hydrogel is cross-linked with a few percent of an acrylate diester, such as ethylene glycol dimethacrylate.
Examples of other suitable hydrophilic monomers are N-vinyl heterocyclic monomers, examples of which include N-vinyl-2-pyrrolidone, N-vinyl pyridine and N-vinyl caprolactam. . In addition, examples of other hydrophilic monomers are polymerizable olefinic acids and amides,
Suitable examples include acrylic acid, methacrylic acid, itaconic acid, fumaric acid, maleic acid, crotonic acid, acrylamide, methacrylamide and N- (1,1-dimethyl-3-oxobutylacrylamide). Another suitable group of hydrophilic monomers are the lower alkyl vinyl ethers such as methyl and ethyl vinyl ethers. The preferred UV absorbing hydrogel in the present invention is a copolymer with hydroxyethyl methacrylic acid. The hydrogel can be preferably used as a soft contact lens or an intraocular lens.
【0042】本発明の紫外線吸収組成物はまた、プラス
ティックフィルムの形態であることができ、これは透明
プラスティックフィルム、包装材料、ビニル窓被覆、内
装カバー等に適用できる。The UV absorbing composition of the present invention can also be in the form of a plastic film, which is applicable to transparent plastic films, packaging materials, vinyl window coatings, interior covers and the like.
【0043】本発明の紫外線吸収組成物はまた、コーテ
ィング材料として用いることもでき、これは重合コーテ
ィング、自動車塗料、インテリア被覆、眼鏡レンズコー
ティング等に適用できる。The UV absorbing composition of the present invention can also be used as a coating material, which can be applied to polymer coating, automobile paint, interior coating, spectacle lens coating and the like.
【0044】以下に実施例をあげて本発明をより具体的
に説明するが、本発明は実施例のみに限定されるもので
はない。Hereinafter, the present invention will be described in more detail with reference to examples, but the present invention is not limited to the examples.
【0045】[0045]
実施例1
2−{2´−ヒドロキシ−5´−{β−[N−(β−メ
タクリロイルオキシエチル)カルバモイルオキシ]エト
キシ}−3´−t−ブチルフェニル}−5−メチル−2
H−ベンゾトリアゾールの合成
まず、中間体2−t−ブチル−4−(2’−ヒドロキシ
エトキシ)フェノールの合成を以下のとおり行った。Example 1 2- {2′-hydroxy-5 ′-{β- [N- (β-methacryloyloxyethyl) carbamoyloxy] ethoxy} -3′-t-butylphenyl} -5-methyl-2
Synthesis of H-benzotriazole First, the intermediate 2-t-butyl-4- (2'-hydroxyethoxy) phenol was synthesized as follows.
【0046】メカニカルスタラー、ジムロートコンデン
サーを付けた500ml三口フラスコにてアルゴン雰囲
気下、t−ブチルハイドロキノン、42.8gを150
mlメタノールに溶解し、この溶液に10.3gの水酸
化ナトリウム、50mlの水、20.6gの2−クロロ
−1−エタノール及び0.3gヨウ化カリウムを添加。
この溶液を24時間加熱環流した後、反応液を放置、冷
却して、室温とし、300mlの水で希釈した。この溶
液からジクロロメタンで生成物を抽出した。無水硫酸ナ
トリウムにより乾燥した後、溶媒を留去し、この生成物
をトルエンから再結晶して精製し、15.3gの生成物
を得た。In a 500 ml three-necked flask equipped with a mechanical stirrer and a Dimroth condenser, t-butyl hydroquinone (42.8 g) was added to 150 g under an argon atmosphere.
Dissolve in ml methanol and add 10.3 g sodium hydroxide, 50 ml water, 20.6 g 2-chloro-1-ethanol and 0.3 g potassium iodide to this solution.
This solution was heated under reflux for 24 hours, and then the reaction solution was allowed to cool to room temperature and diluted with 300 ml of water. The product was extracted from this solution with dichloromethane. After drying with anhydrous sodium sulfate, the solvent was distilled off, and the product was recrystallized from toluene for purification to obtain 15.3 g of the product.
【0047】次いで、中間体2−t−ブチル−4−
(2’−ヒドロキシエトキシ)−6−(4’−メチル−
2−’ニトロフェニルアゾ)−フェノールの合成を以下
のとおり行った。Then, the intermediate 2-t-butyl-4-
(2'-hydroxyethoxy) -6- (4'-methyl-
The synthesis of 2-'nitrophenylazo) -phenol was performed as follows.
【0048】メカニカルスターラーを付けた500ml
三口フラスコにて8.2gの98%4−メチル−2−ニ
トロアニリンと18mlの濃塩酸を室温で撹拌し溶解し
た。この溶液を50mlの氷水で希釈した。この溶液を
氷で冷却し4℃以下に保ちながら水15mlに溶解した
97%亜硝酸ナトリウム3.8gを滴下した。滴下終了
後、更に冷却を続けながら1時間撹拌した。その後、泡
が発生しなくなるまでスルファミン酸を加え、過剰な亜
硝酸ナトリウムを分解した。この反応液をろ過し、ろ液
を得た。10.7gの2−t−ブチル−4−(2’−ヒ
ドロキシエトキシ)フェノールと6gの水酸化ナトリウ
ムを水200mlに溶解した溶液に、氷で冷却し4℃以
下に保ち撹拌しながら上記ろ液を滴下した。ジアゾニウ
ム溶液の約1/3を加えた後、40mlの10%水酸化
ナトリウム水溶液を同時に滴下した。この反応溶液を引
続き4℃以下で2時間撹拌し、その後室温になるまで放
置した。塩酸を加え、酸性としてアゾ染料の結晶を得、
ろ過によって分離した。500 ml with mechanical stirrer
In a three-necked flask, 8.2 g of 98% 4-methyl-2-nitroaniline and 18 ml of concentrated hydrochloric acid were stirred and dissolved at room temperature. The solution was diluted with 50 ml ice water. While this solution was cooled with ice and kept at 4 ° C. or lower, 3.8 g of 97% sodium nitrite dissolved in 15 ml of water was added dropwise. After completion of dropping, the mixture was stirred for 1 hour while continuing to cool. Then, sulfamic acid was added until bubbles were not generated, and excess sodium nitrite was decomposed. This reaction liquid was filtered to obtain a filtrate. 10.7 g of 2-t-butyl-4- (2'-hydroxyethoxy) phenol and 6 g of sodium hydroxide dissolved in 200 ml of water was added to the above filtrate while cooling with ice and keeping the temperature below 4 ° C while stirring. Was dripped. After adding about 1/3 of the diazonium solution, 40 ml of a 10% sodium hydroxide aqueous solution was simultaneously added dropwise. The reaction solution was subsequently stirred at 4 ° C. or lower for 2 hours and then left to stand at room temperature. Hydrochloric acid was added to acidify to obtain crystals of the azo dye,
Separated by filtration.
【0049】次いで、2−[2´−ヒドロキシ−5´−
{β−ヒドロキシエトキシ}−3´−t−ブチルフェニ
ル]−5−メチル−2H−ベンゾトリアゾールの合成を
以下のとおり行った。Then, 2- [2'-hydroxy-5'-
The synthesis of {β-hydroxyethoxy} -3′-t-butylphenyl] -5-methyl-2H-benzotriazole was performed as follows.
【0050】上記によって得た2−t−ブチル−4−
(2’−ヒドロキシエトキシ)−6−(4’−メチル−
2−’ニトロフェニルアゾ)−フェノールをメカニカル
スターラーを付けた500ml三口フラスコ中、150
mlのエタノールに溶解した。アルゴン雰囲気下、室温
にて2N水酸化ナトリウム水溶液150mlにグルコー
ス18gを溶解した溶液を30℃以下に保ちながら滴下
した。この反応溶液に亜鉛粉末12gを少しずつ加え
た。反応液を室温で4時間撹拌した後、100mlの水
で希釈した。生成した沈殿をろ過により分離し、沈殿を
水洗した。この沈殿をエタノールで洗い、生成物を溶解
して亜鉛と分離した。エタノールをエバポレータにより
留去し、生成物を真空乾燥した。この生成物をヘプタン
により再結晶して精製し、9.4gの生成物を得た。2-t-butyl-4-obtained above
(2'-hydroxyethoxy) -6- (4'-methyl-
150 g of 2-'nitrophenylazo) -phenol in a 500 ml three-necked flask equipped with a mechanical stirrer.
It was dissolved in ml of ethanol. Under argon atmosphere, at room temperature, a solution prepared by dissolving 18 g of glucose in 150 ml of 2N aqueous sodium hydroxide solution was added dropwise while keeping the temperature at 30 ° C. or lower. To this reaction solution, 12 g of zinc powder was added little by little. The reaction solution was stirred at room temperature for 4 hours and then diluted with 100 ml of water. The generated precipitate was separated by filtration and washed with water. The precipitate was washed with ethanol to dissolve the product and separate it from zinc. Ethanol was distilled off with an evaporator, and the product was dried under vacuum. The product was recrystallized from heptane and purified to give 9.4 g of product.
【0051】2−{2´−ヒドロキシ−5´−{β−
[N−(β−メタクリロイルオキシエチル)カルバモイ
ルオキシ]エトキシ}−3´−t−ブチルフェニル}−
5−メチル−2H−ベンゾトリアゾールの合成
ジムロートコンデンサーを取り付けた300ml三口フ
ラスコに2−[2´−ヒドロキシ−5´−{β−ヒドロ
キシエトキシ}−3´−t−ブチルフェニル]−5−メ
チル−2H−ベンゾトリアゾール2.4g、テトラヒド
ロフラン50ml、ジ−n−ブチルスズジラウレート1
0μl、ハイドロキノン10mgを取り、マグネチック
スタラーで60℃にて撹拌した。これにメタクリロイル
オキシエチルイソシアネート1.52gを滴下しながら
加た。60℃にて9時間撹拌を続け、薄層クロマトグラ
フィーにてメタクリロイルオキシエチルイソシアネート
が消失したことを確認した後、反応を終了し、テトラヒ
ドロフランを留去した。固形分をジエチルエーテルに溶
解後、水で洗浄し、エーテル層を回収し、エーテルを留
去した。固形分を120mlメタノール+60mlジク
ロルメタンに溶解、再結晶により精製し、2.6gの生
成物を得た。この精製物の融点は105℃であった。2- {2'-hydroxy-5 '-{β-
[N- (β-methacryloyloxyethyl) carbamoyloxy] ethoxy} -3′-t-butylphenyl}-
Synthesis of 5-methyl-2H-benzotriazole 2- [2'-hydroxy-5 '-{β-hydroxyethoxy} -3'-t-butylphenyl] -5-methyl-in a 300 ml three-necked flask equipped with a Dimroth condenser. 2.4 g of 2H-benzotriazole, 50 ml of tetrahydrofuran, di-n-butyltin dilaurate 1
0 μl and 10 mg of hydroquinone were taken and stirred at 60 ° C. with a magnetic stirrer. To this, 1.52 g of methacryloyloxyethyl isocyanate was added dropwise. Stirring was continued at 60 ° C. for 9 hours, and after confirming the disappearance of methacryloyloxyethyl isocyanate by thin layer chromatography, the reaction was terminated and tetrahydrofuran was distilled off. The solid content was dissolved in diethyl ether, washed with water, the ether layer was collected, and the ether was distilled off. The solid content was dissolved in 120 ml of methanol + 60 ml of dichloromethane and purified by recrystallization to obtain 2.6 g of a product. The melting point of this purified product was 105 ° C.
【0052】図1にこの紫外線吸収剤の紫外可視吸収ス
ペクトルを示す。スペクトルに示されるように紫外線領
域で十分大きな吸収が得られた。また、図2にこの紫外
線吸収剤の赤外吸収スペクトルを示す。FIG. 1 shows the ultraviolet-visible absorption spectrum of this ultraviolet absorber. As shown in the spectrum, a sufficiently large absorption was obtained in the ultraviolet region. Moreover, the infrared absorption spectrum of this ultraviolet absorber is shown in FIG.
【0053】実施例2
撹拌装置、温度計、還流冷却器、窒素ガス導入口を備え
た四ツ口フラスコに、2,6−ジイソシアナートカプロ
ン酸−β−イソシアナートエチルエステル53.4重量
部、2−ヒドロキシエチルメタクリレート52重量部、
ジ−n−ブチルスズジラウレート0.01重量部を仕込
み、赤外線吸収スペクトルで水酸基の吸収が消失するま
で、50℃、窒素雰囲気下で撹拌した。平均分子量94
6を有する次式で表される両末端アルコール変性ポリジ
メチルシロキサン94.6重量部を上記四ツ口フラスコ
中に添加し、赤外吸収スペクトルのイソシアナート基の
吸収が消失するまで、50℃、窒素雰囲気下で撹拌し、
両末端に各二個の二重結合を有する、下記式[III]で示
されるシロキサンマクロマーを主成分とする反応生成物
を得た。Example 2 53.4 parts by weight of 2,6-diisocyanatocaproic acid-β-isocyanatoethyl ester was placed in a four-necked flask equipped with a stirrer, a thermometer, a reflux condenser and a nitrogen gas inlet. 52 parts by weight of 2-hydroxyethyl methacrylate,
0.01 parts by weight of di-n-butyltin dilaurate was charged, and the mixture was stirred at 50 ° C. under a nitrogen atmosphere until the absorption of hydroxyl groups disappeared in the infrared absorption spectrum. Average molecular weight 94
94.6 parts by weight of an alcohol-modified polydimethylsiloxane represented by the following formula having 6 are added to the four-necked flask at 50 ° C. until the absorption of the isocyanate group in the infrared absorption spectrum disappears. Stir under a nitrogen atmosphere,
A reaction product containing a siloxane macromer represented by the following formula [III] as a main component and having two double bonds at each end was obtained.
【0054】[0054]
【化4】
この反応生成物(主成分がシロキサンマクロマー)10
重量部に対して、トリフルオロエチルメタクリレート3
重量部添加すると共に、トリメチロールプロパントリメ
タクリレート0.055重量部、アゾビスメチルバレロ
ニトリル0.004重量部を添加した。このモノマー混
合液に対して紫外線吸収剤2−{2´−ヒドロキシ−5
´−{β−[N−(β−メタクリロイルオキシエチル)
カルバモイルオキシ]エトキシ}−3´−t−ブチルフ
ェニル}−5−メチル−2H−ベンゾトリアゾール0.
5重量%添加し、各組成物を混合・溶解して均一な透明
原液を得た。この原液を棒状ガラス容器に入れ脱気し、
窒素雰囲気とした後密栓した。これを恒温水槽中で40
℃、40時間、50℃、24時間、60℃、16時間、
70℃、4時間、90℃、2時間の条件で反応をおこな
わせた。更に循環乾燥器中で130℃、3時間加熱をお
こない、棒状重合体を得た。得られた重合体は、ショア
ーD硬度74であって硬く、切削性、研磨性とも良好で
機械加工性は良好であった。[Chemical 4] This reaction product (main component is siloxane macromer) 10
3 parts by weight of trifluoroethyl methacrylate
In addition to the addition by weight, 0.055 parts by weight of trimethylolpropane trimethacrylate and 0.004 parts by weight of azobismethylvaleronitrile were added. UV absorber 2- {2'-hydroxy-5 against this monomer mixture
′-{Β- [N- (β-methacryloyloxyethyl)
Carbamoyloxy] ethoxy} -3′-t-butylphenyl} -5-methyl-2H-benzotriazole.
5% by weight was added, and each composition was mixed and dissolved to obtain a uniform transparent stock solution. Degas this stock solution in a glass rod,
After nitrogen atmosphere, it was sealed. 40 in a constant temperature water bath
℃, 40 hours, 50 ℃, 24 hours, 60 ℃, 16 hours,
The reaction was carried out at 70 ° C. for 4 hours, 90 ° C. for 2 hours. Further, heating was carried out at 130 ° C. for 3 hours in a circulation dryer to obtain a rod-shaped polymer. The obtained polymer had a Shore D hardness of 74 and was hard, and had good machinability and polishability and good machinability.
【0055】この重合体をミキサーにより細片とし、こ
の細片1gを蒸留水50gに浸漬し、100℃にて30
時間加熱抽出した。この抽出液において紫外線吸収剤の
溶出は分光学的に認められなかった。This polymer was made into small pieces with a mixer, and 1 g of this small piece was immersed in 50 g of distilled water and kept at 100 ° C. for 30 minutes.
It was extracted by heating for an hour. No elution of the ultraviolet absorber was observed spectroscopically in this extract.
【0056】この重合体を直径17mm、厚さ5mmの
ディスクに加工後、真空減圧下、120℃、16時間加
熱処理したが、ブリードアウトによる色調、吸光度の変
化は認められなかった。This polymer was processed into a disk having a diameter of 17 mm and a thickness of 5 mm and heat-treated under reduced pressure at 120 ° C. for 16 hours, but no change in color tone or absorbance due to bleed-out was observed.
【0057】この重合体を直径9mm、厚さ0.2mm
のディスクに加工後、真空減圧下、120℃、16時間
加熱処理した。本ディスクを常温にてフェードメータに
よる照射試験をおこなった。フェードメータによる照射
200時間照射後でさえ吸光度は照射前の吸光度の9
5.8%が認められ、紫外線吸収能の劣化はなく優れた
耐光性を示した。The polymer is 9 mm in diameter and 0.2 mm in thickness.
After being processed into a disk of No. 1, the mixture was heat-treated under reduced pressure at 120 ° C. for 16 hours. This disc was subjected to an irradiation test with a fade meter at room temperature. Irradiation with a fade meter Even after 200 hours of irradiation, the absorbance is 9 times that before the irradiation.
5.8% was observed, and there was no deterioration in the ultraviolet absorption capacity, indicating excellent light resistance.
【0058】この重合体の酸素透過係数を製科研式フィ
ルム酸素透過率計によって求めた37℃での酸素透過係
数は32×10-11 cm3 (STP) ・ cm/cm 2 ・ sec ・ mmHg
であった。The oxygen permeation coefficient of this polymer was 32 × 10 −11 cm 3 (STP) · cm / cm 2 · sec · mmHg at 37 ° C., which was determined by using a Kaken type film oxygen permeation meter.
Met.
【0059】この重合体を切削研磨してレンズ系9.0
mm、ベースカーブ8.0mm、レンズパワー−3.0
0Dのコンタクトレンズに加工することができた。This polymer was cut and polished to give a lens system 9.0.
mm, base curve 8.0 mm, lens power -3.0
It was possible to process it into a 0D contact lens.
【0060】実施例3
トリス(トリメチルシロキシ)シリルプロピルメタクリ
レート50重量部、トリフロロエチルメタクリレート5
0重量部、アゾビスイソブチルニトリル0.05重量
部、アゾビスシクロヘキサンカルボニトリル0.15重
量部を混合し重合原液とした。このモノマー混合液に対
して紫外線吸収剤として2−{2´−ヒドロキシ−5´
−{β−[N−(β−メタクリロイルオキシエチル)カ
ルバモイルオキシ]エトキシ}−3´−t−ブチルフェ
ニル}−5−メチル−2H−ベンゾトリアゾールを0.
5重量%添加・溶解して均一な透明原液を得た。溶解
後、試験管に封入して、60℃から110℃まで24時
間かけて昇温させた後、110℃にて4時間保持し重合
体を得た。Example 3 50 parts by weight of tris (trimethylsiloxy) silylpropyl methacrylate, 5 parts of trifluoroethyl methacrylate
0 parts by weight, 0.05 parts by weight of azobisisobutylnitrile and 0.15 parts by weight of azobiscyclohexanecarbonitrile were mixed to prepare a polymerization stock solution. 2- {2'-hydroxy-5 'as an ultraviolet absorber for this monomer mixture
-{Β- [N- (β-methacryloyloxyethyl) carbamoyloxy] ethoxy} -3′-t-butylphenyl} -5-methyl-2H-benzotriazole was added to 0.
5% by weight was added and dissolved to obtain a uniform transparent stock solution. After dissolution, the mixture was sealed in a test tube, heated from 60 ° C. to 110 ° C. over 24 hours, and then held at 110 ° C. for 4 hours to obtain a polymer.
【0061】この重合体をミキサーにより細片とし、こ
の細片1gを蒸留水50gに浸漬し、100℃にて30
時間加熱抽出した。この抽出液において紫外線吸収剤の
溶出は分光学的に認めれなかった。This polymer was made into small pieces with a mixer, and 1 g of the small pieces was dipped in 50 g of distilled water and kept at 100 ° C. for 30 minutes.
It was extracted by heating for an hour. No elution of the ultraviolet absorber was observed spectroscopically in this extract.
【0062】この重合体を直径17mm、厚さ5mmの
ディスクに加工後、真空減圧下、120℃、16時間加
熱処理し、ブリードアウトによる吸光度の減少を分光学
的に調べた。その結果、ブリードアウトによる色調、吸
光度の変化は認められなかった。This polymer was processed into a disk having a diameter of 17 mm and a thickness of 5 mm, and then heat-treated under vacuum reduced pressure at 120 ° C. for 16 hours, and the decrease in absorbance due to bleeding out was examined spectroscopically. As a result, changes in color tone and absorbance due to bleed-out were not observed.
【0063】この重合体を直径9mm、厚さ0.2mm
のディスクに加工後、真空減圧下、120℃、16時間
加熱処理した。本ディスクを常温にてフェードメータに
よる照射試験をおこなった。フェードメータによる照射
200時間照射後でさえ吸光度は照射前の吸光度の9
7.2%が認められ、紫外線吸収能の劣化はなく優れた
耐光性を示した。The polymer is 9 mm in diameter and 0.2 mm in thickness.
After being processed into a disk of No. 1, the mixture was heat-treated under reduced pressure at 120 ° C. for 16 hours. This disc was subjected to an irradiation test with a fade meter at room temperature. Irradiation with a fade meter Even after 200 hours of irradiation, the absorbance is 9 times that before the irradiation.
7.2% was observed, and there was no deterioration in the ultraviolet absorbing ability, and excellent light resistance was exhibited.
【0064】この重合体の酸素透過係数を製科研式フィ
ルム酸素透過率計によって求めた37℃での酸素透過係
数は30×10-11 cm3 (STP) ・ cm/cm 2 ・ sec ・ mmHg
であった。The oxygen permeation coefficient of this polymer was 30 × 10 −11 cm 3 (STP) · cm / cm 2 · sec · mmHg at 37 ° C., which was determined by a Seikaken film oxygen permeation meter.
Met.
【0065】この重合体は機械加工性が良好であり、切
削研磨してレンズ系9.0mm、ベースカーブ8.0m
m、レンズパワー−3.00Dのコンタクトレンズに加
工することができた。This polymer has good machinability, and was cut and polished to give a lens system of 9.0 mm and a base curve of 8.0 m.
m, and a lens power of −3.00D could be processed.
【0066】実施例4
両末端に二重結合を有するポリジメチルシロキサン45
重量部、トリフルオロエチルメタクリレート47.5重
量部、メタクリル酸3重量部、トリメチロールプロパン
トリメタクリレート4.5重量部を均一に混合し、これ
にアゾビスイソブチロニトリル0.05重量部、アゾビ
スシクロヘキシルカルボニトリル0.15重量部を添加
した。このモノマー混合液に対して紫外線吸収剤として
2−{2´−ヒドロキシ−5´−{β−[N−(β−メ
タクリロイルオキシエチル)カルバモイルオキシ]エト
キシ}−3´−t−ブチルフェニル}−5−メチル−2
H−ベンゾトリアゾールを0.5重量%添加し、各組成
物を混合・溶解して均一な透明原液を得た。この原液を
棒状ガラス容器に入れ脱気し、窒素雰囲気とした後密栓
した。これを、60℃から110℃まで24時間かけて
昇温させた後、110℃にて4時間保持し重合体を得
た。得られた重合体は、ショアーD硬度70であって硬
く、切削性、研磨性とも良好であった。Example 4 Polydimethylsiloxane 45 having double bonds at both ends
Parts by weight, 47.5 parts by weight of trifluoroethyl methacrylate, 3 parts by weight of methacrylic acid, and 4.5 parts by weight of trimethylolpropane trimethacrylate are uniformly mixed, and 0.05 parts by weight of azobisisobutyronitrile, azo 0.15 parts by weight of biscyclohexylcarbonitrile was added. 2- {2'-hydroxy-5 '-{β- [N- (β-methacryloyloxyethyl) carbamoyloxy] ethoxy} -3'-t-butylphenyl} -as an ultraviolet absorber for this monomer mixture 5-methyl-2
0.5% by weight of H-benzotriazole was added, and each composition was mixed and dissolved to obtain a uniform transparent stock solution. This stock solution was placed in a rod-shaped glass container, degassed, made into a nitrogen atmosphere, and then sealed. This was heated from 60 ° C. to 110 ° C. over 24 hours and then held at 110 ° C. for 4 hours to obtain a polymer. The obtained polymer had a Shore D hardness of 70 and was hard, and had good machinability and polishability.
【0067】この重合体をミキサーにより細片とし、こ
の細片1gを蒸留水50gに浸漬し、100℃にて30
時間加熱抽出した。この抽出液における紫外線吸収剤の
溶出を分光学的に観察した。この結果、紫外線吸収剤の
溶出は分光学的に認められなかった。This polymer was made into small pieces with a mixer, and 1 g of this small piece was immersed in 50 g of distilled water and kept at 100 ° C. for 30 minutes.
It was extracted by heating for an hour. The elution of the ultraviolet absorber in this extract was observed spectroscopically. As a result, no elution of the ultraviolet absorber was observed spectroscopically.
【0068】この重合体を直径17mm、厚さ5mmの
ディスクに加工後、真空減圧下、120℃、16時間加
熱処理し、ブリードアウトによる吸光度の減少を分光学
的に調べた。この結果、ブリードアウトによる色調、吸
光度の変化は認められなかった。This polymer was processed into a disk having a diameter of 17 mm and a thickness of 5 mm and then heat-treated under vacuum reduced pressure at 120 ° C. for 16 hours, and the decrease in absorbance due to bleed-out was examined spectroscopically. As a result, changes in color tone and absorbance due to bleed-out were not observed.
【0069】この重合体を直径9mm、厚さ0.2mm
のディスクに加工後、真空減圧下、120℃、16時間
加熱処理した。本ディスクを常温にてフェードメータに
よる照射試験をおこなった。フェードメータによる照射
200時間照射後でさえ吸光度は照射前の吸光度の9
5.2%が認められ、紫外線吸収能の劣化はなく優れた
耐光性を示した。The polymer is 9 mm in diameter and 0.2 mm in thickness.
After being processed into a disk of No. 1, the mixture was heat-treated under reduced pressure at 120 ° C. for 16 hours. This disc was subjected to an irradiation test with a fade meter at room temperature. Irradiation with a fade meter Even after 200 hours of irradiation, the absorbance is 9 times that before the irradiation.
5.2% was recognized, and there was no deterioration in the ultraviolet absorbing ability, and excellent light resistance was exhibited.
【0070】この重合体の酸素透過係数を製科研式フィ
ルム酸素透過率計によって求めた37℃での酸素透過係
数は130×10-11 cm3 (STP) ・ cm/cm 2 ・ sec ・ mm
Hgであった。The oxygen permeation coefficient of this polymer was 130 × 10 −11 cm 3 (STP) · cm / cm 2 · sec · mm at 37 ° C., which was determined by a Seikaken film oxygen permeation meter.
It was Hg.
【0071】この重合体を切削研磨してレンズ径9.0
mm、ベースカーブ8.0mm、レンズパワー−3.0
0Dのコンタクトレンズに加工することができた。This polymer was cut and polished to have a lens diameter of 9.0.
mm, base curve 8.0 mm, lens power -3.0
It was possible to process it into a 0D contact lens.
【0072】図3に厚さ0.2mmのディスクの紫外可
視吸収スペクトル(透過率)を示す。スペクトルに示さ
れるように紫外線領域で十分大きな吸収が得られた。FIG. 3 shows an ultraviolet-visible absorption spectrum (transmittance) of a disk having a thickness of 0.2 mm. As shown in the spectrum, a sufficiently large absorption was obtained in the ultraviolet region.
【0073】この重合体を切削研磨してレンズ系9.0
mm、ベースカーブ7.0mm、レンズパワー−3.0
0Dのコンタクトレンズに加工した。このレンズを日本
白色家兎10羽において15日間の連続装用をおこな
い、ドレーズ法による兎眼粘膜刺激試験をおこなった。
片眼にこのコンタクトレンズを装用し、片眼を非装用眼
とした。その結果、15日間の連続装用後でも、角膜の
混濁・浮腫、眼瞼結膜の充血・浮腫、球結膜の充血・浮
腫、分泌物は軽度であった。、ドレーズ法による評点の
合計は、装用眼2.1、非装用眼1.7と装用眼におい
ても眼粘膜に無刺激と判定された。この結果、本コンタ
クトレンズは安全に連続装用可能なものであった。This polymer was cut and polished to give a lens system 9.0.
mm, base curve 7.0 mm, lens power -3.0
It was processed into a 0D contact lens. This lens was continuously worn for 15 days in 10 Japanese white rabbits, and a rabbit eye mucous membrane irritation test was performed by the Draize method.
The contact lens was worn on one eye, and the other eye was not worn. As a result, even after continuous wear for 15 days, corneal opacity / edema, eyelid conjunctival hyperemia / edema, bulbar conjunctival hyperemia / edema, and secretions were mild. The total score by the Draize method was judged to be non-irritating to the ocular mucosa in the wearing eye 2.1, the non-wearing eye 1.7 and the wearing eye. As a result, the present contact lens could be safely continuously worn.
【0074】実施例1、2、3、4の結果より、本発明
によって得られる紫外線吸収剤は300〜400nmの
波長領域での紫外線吸収能に優れ、溶出、ブリードアウ
トがなく、重合体に相溶性の良い紫外線吸収剤であり、
その結果、重合組成物は安定した紫外線吸収能を有し、
幅広い用途に用いることができることが分る。From the results of Examples 1, 2, 3, and 4, the ultraviolet absorbent obtained by the present invention is excellent in ultraviolet absorbing ability in the wavelength region of 300 to 400 nm, has no elution or bleed-out, and is compatible with the polymer. It is a highly soluble UV absorber,
As a result, the polymerization composition has a stable ultraviolet absorption ability,
It turns out that it can be used for a wide range of purposes.
【0075】[0075]
【発明の効果】本発明により、300〜400nmの波
長領域での紫外線吸収能に優れ、溶出、ブリードアウト
がなく、重合体に相溶性の良い紫外線吸収剤、およびそ
の重合組成物を提供することができる。According to the present invention, there is provided an ultraviolet absorber excellent in ultraviolet absorbing ability in the wavelength region of 300 to 400 nm, free from elution and bleed out, and having good compatibility with a polymer, and a polymerized composition thereof. You can
【図1】実施例で得られた本発明の紫外線吸収剤の紫外
可視吸収スペクトルである。FIG. 1 is an ultraviolet-visible absorption spectrum of an ultraviolet absorbent of the present invention obtained in an example.
【図2】実施例で得られた本発明の紫外線吸収剤の赤外
吸収スペクトルである。FIG. 2 is an infrared absorption spectrum of the ultraviolet absorbent of the present invention obtained in an example.
【図3】実施例で得られた重合体の紫外可視吸収スペク
トル(透過率)である。FIG. 3 is an ultraviolet-visible absorption spectrum (transmittance) of the polymers obtained in Examples.
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.7 識別記号 FI C08J 5/18 C08J 5/18 C09D 183/08 C09D 183/08 G02C 7/04 G02C 7/04 (56)参考文献 特開 昭60−166369(JP,A) 特開 昭63−185969(JP,A) 特開 平3−257420(JP,A) 特開 昭52−84258(JP,A) (58)調査した分野(Int.Cl.7,DB名) C09K 3/00 104 C07D 249/18 - 249/20 C08F 220/36 C08F 246/00 C08G 77/388 C08J 5/18 C09D 183/08 C02C 7/04 ─────────────────────────────────────────────────── ─── Continuation of front page (51) Int.Cl. 7 Identification code FI C08J 5/18 C08J 5/18 C09D 183/08 C09D 183/08 G02C 7/04 G02C 7/04 (56) References 60-166369 (JP, A) JP 63-185969 (JP, A) JP 3-257420 (JP, A) JP 52-84258 (JP, A) (58) Fields investigated (Int. Cl. 7 , DB name) C09K 3/00 104 C07D 249/18-249/20 C08F 220/36 C08F 246/00 C08G 77/388 C08J 5/18 C09D 183/08 C02C 7/04
Claims (15)
10のアルコキシ基または炭素数1〜10のアルキル基
であり、R2 はH、CH3 および炭素原子数1〜10の
アルキル基からなる群から選択され、且つXは −O−R3 −O−CO−NH−R4 −O−CO−C(R
5 )=CH2 (ここでR3 およびR4 は直鎖または枝分れ鎖のいずれ
でも良いC2 〜C20のアルキレン基であり、且つR5 は
HまたはCH3 である))で示される紫外線吸収剤。1. The formula [I]: (However, in the formula, R 1 is H, halogen, or 1 to 1 carbon atoms.
A C 10 alkoxy group or a C 1-10 alkyl group, R 2 is selected from the group consisting of H, CH 3 and a C 1-10 alkyl group, and X is —O—R 3 —O. -CO-NH-R 4 -O- CO-C (R
5 ) = CH 2 (wherein R 3 and R 4 are C 2 to C 20 alkylene groups which may be linear or branched and R 5 is H or CH 3 )) ultraviolet absorbers that will be.
外線吸収剤。2. A UV absorber according to claim 1 R 1 is an alkyl group.
吸収剤。3. A UV absorber according to claim 1, wherein R 1 is CH 3.
紫外線吸収剤。4. The ultraviolet absorber according to claim 1, wherein R 2 is t- butyl group.
[N−(β−メタクリロイルオキシエチル)カルバモイ
ルオキシ]エトキシ}−3´−t−ブチルフェニル}−
5−メチル−2H−ベンゾトリアゾールである請求項1
記載の紫外線吸収剤。5. 2- {2'-hydroxy-5 '-{β-
[N- (β-methacryloyloxyethyl) carbamoyloxy] ethoxy} -3′-t-butylphenyl}-
Is 5-methyl -2H- benzotriazole claim 1
The ultraviolet absorber described.
る単量体に請求項1記載の紫外線吸収剤を共重合して得
られるポリマを含有する紫外線吸収組成物。6. A UV absorbing composition containing a polymer obtained by copolymerizing the UV absorbent according to claim 1 with a monomer having a polymerizable unsaturated double bond in the molecule.
であることを特徴とする請求項6記載の紫外線吸収組成
物。7. The ultraviolet absorbing composition according to claim 6 , wherein the polymer is a polymer containing a silicon atom.
cm/cm2・sec・mmHg以上であることを特徴とする請求項
7記載の紫外線吸収組成物。8. An oxygen permeability coefficient of 10 × 10 -11 cm 3 (STP).
cm / cm 2 · sec · mmHg or more
7. The ultraviolet absorbing composition according to 7 .
含有することを特徴とする請求項6記載の紫外線吸収組
成物。9. An ultraviolet absorber in an amount of 0.05 to 10.0% by weight.
The ultraviolet absorbing composition according to claim 6, which contains.
に透明な光学材料。10. An optically transparent optical material comprising the composition according to claim 6 .
鏡レンズである請求項10記載の光学材料。11. The optical material according to claim 10, which is a contact lens, an intraocular lens or a spectacle lens.
ル。12. A hydrogel comprising the composition according to claim 6 .
アルキルメタクリレート、ヒドロキシアルキルアクリレ
ート、N−ビニル複素環式モノマー、重合性オレフィン
酸、重合性オレフィンアミド、並びに炭素数1〜5のア
ルキルビニルエーテルからなる群から選ばれる請求項1
2記載のヒドロゲル。13. hydrogel-forming monomers, hydroxyalkyl meth click relays DOO, hydroxyalkyl acrylates les <br/> over preparative, N- vinyl heterocyclic monomers chromatography, polymerizable olefinic
Acid, polymerizable olefinic Ami de, and claim 1 is selected from alkyl vinyl ether or Ranaru group having 1 to 5 carbon atoms
2. The hydrogel as described in 2 .
ックフィルム。14. A plastic film comprising the composition according to claim 6 .
ング材料。15. A coating material comprising the composition according to claim 6 .
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP23989592A JP3477723B2 (en) | 1992-09-09 | 1992-09-09 | UV absorber and ultraviolet absorbing composition containing the same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP23989592A JP3477723B2 (en) | 1992-09-09 | 1992-09-09 | UV absorber and ultraviolet absorbing composition containing the same |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0688064A JPH0688064A (en) | 1994-03-29 |
JP3477723B2 true JP3477723B2 (en) | 2003-12-10 |
Family
ID=17051459
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP23989592A Expired - Fee Related JP3477723B2 (en) | 1992-09-09 | 1992-09-09 | UV absorber and ultraviolet absorbing composition containing the same |
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JP (1) | JP3477723B2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR20190119061A (en) | 2017-02-27 | 2019-10-21 | 토카이 옵티칼 주식회사 | Plastic eyeglass lenses and eyeglasses |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08231932A (en) * | 1995-02-24 | 1996-09-10 | Sekisui Chem Co Ltd | Tacky sheet |
JP3524617B2 (en) * | 1995-03-13 | 2004-05-10 | 新日本石油株式会社 | UV absorbers and coating materials |
KR20000022257A (en) | 1996-06-27 | 2000-04-25 | 오오자와 히데이로 | Ultraviolet absorbing material and ultraviolet absorbing plate |
EP0855615A3 (en) * | 1997-01-23 | 1999-02-10 | NIPPON OIL Co. Ltd. | Electrochromic device |
TW473653B (en) * | 1997-05-27 | 2002-01-21 | Clariant Japan Kk | Composition for anti-reflective film or photo absorption film and compound used therein |
JP4053631B2 (en) * | 1997-10-08 | 2008-02-27 | Azエレクトロニックマテリアルズ株式会社 | Composition for antireflection film or light absorption film and polymer used therefor |
US7714090B2 (en) | 2005-03-09 | 2010-05-11 | Hoya Corporation | (Meth)acrylate compound and process for the production thereof, (meth)acrylate copolymer and process for the production of (meth)acrylate copolymer, and soft intraocular lens |
TWI453199B (en) | 2008-11-04 | 2014-09-21 | Alcon Inc | Uv/visible light absorbers for ophthalmic lens materials |
HUE029018T2 (en) * | 2011-10-12 | 2017-02-28 | Novartis Ag | Method for making uv-absorbing ophthalmic lenses by coating |
JP6797511B2 (en) * | 2015-06-10 | 2020-12-09 | 株式会社大建化学 | Aqueous infrared / ultraviolet shielding coating agent and infrared / ultraviolet shielding treatment method using this |
WO2021001866A1 (en) * | 2019-07-01 | 2021-01-07 | 株式会社ニコン | Compound, resin precursor, cured product, optical element, optical system, interchangeable lens for cameras, optical device, cemented lens and method for producing cemented lens |
-
1992
- 1992-09-09 JP JP23989592A patent/JP3477723B2/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20190119061A (en) | 2017-02-27 | 2019-10-21 | 토카이 옵티칼 주식회사 | Plastic eyeglass lenses and eyeglasses |
US11422287B2 (en) | 2017-02-27 | 2022-08-23 | Tokai Optical Co., Ltd. | Plastic spectacle lens and spectacles |
Also Published As
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---|---|
JPH0688064A (en) | 1994-03-29 |
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